Slayter wants to buy his first car and has found an older model car that cost $7,000. He is being offered a simple interest loan
for 4 years at 5%. He is planning on paying the loan off in 3 1/2
years.

How much less interest will he have paid?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?